Use RenderWidget(Host) for full screen

chrome/browser/renderer_host/render_view_host_delegate.h

Index: chrome/browser/renderer_host/render_view_host_delegate.h
diff --git a/chrome/browser/renderer_host/render_view_host_delegate.h b/chrome/browser/renderer_host/render_view_host_delegate.h
index 0be57842c7b88cd1f6d257243cb6b38bf1ae9d31..a81c27112cbc4582037804fe35ee7a42cdf4c312 100644
--- a/chrome/browser/renderer_host/render_view_host_delegate.h
+++ b/chrome/browser/renderer_host/render_view_host_delegate.h
@@ -119,6 +119,10 @@ class RenderViewHostDelegate {
     virtual void CreateNewWidget(int route_id,
                                  WebKit::WebPopupType popup_type) = 0;
 
+    // Creates a full screen RenderWidget. Similar to above.
+    virtual void CreateNewFullscreenWidget(
+        int route_id, WebKit::WebPopupType popup_type) = 0;
+
     // Show a previously created page with the specified disposition and bounds.
     // The window is identified by the route_id passed to CreateNewWindow.
     //
@@ -134,6 +138,9 @@ class RenderViewHostDelegate {
     virtual void ShowCreatedWidget(int route_id,
                                    const gfx::Rect& initial_pos) = 0;
 
+    // Show the newly created full screen widget. Similar to above.
+    virtual void ShowCreatedFullscreenWidget(int route_id) = 0;
+
     // A context menu should be shown, to be built using the context information
     // provided in the supplied params.
     virtual void ShowContextMenu(const ContextMenuParams& params) = 0;